Delegations at the summit took several hours to hammer out a 10-page statement full of bland postulations of the EU's Eastern Partnership programme, but ahead of the meeting, Juncker was clearly in a more light-hearted mood.
To climb in this fashion a climber will hammer a peg (or "piton") into a crack, wedge chocks – pieces of metal of various sizes and shapes – into it or place a skyhook (a very small grappling hook) over flakes of rock and edges.
There are bags of rubbish stacking up in his living room, yet he daren't leave the house and "risk a hammer in my head".
Some aspects of revising are the same: maths students look at past papers, French students revise tenses and history students hammer in dates.
Related: Man found guilty of attempted murder over London hammer attack Khuloud, Ohoud and Fatima al-Najjar had been receiving medical treatment in Britain following the attack last April, at the Cumberland hotel in London.
The United Arab Emirates' state news agency says the Gulf nation has dispatched a medical plane to bring three sisters home, nearly 10 months after they were attacked by a hammer-wielding intruder in their luxury London hotel room.
In one of her last interviews, she described a perfect day at her Porthmeor studio watching the Atlantic rollers carving the shoreline in these terms: "The strokes of the hammer on the chisel should be in time with your heartbeat.
In the US, Nobel prizewinning economist Paul Krugman said the unravelling of Rogoff and Reinhart's paper was a hammer blow to Republicans who had campaigned for spending cuts to reduce Washington's 100% debt-to-GDP level.
According to Christie's, the jewellery alone is expected to fetch between $35m and $40m when it goes under the hammer.
Related: Banksy works go under hammer in auction criticised by artist Parker writes that: "A covered corridor connects One Infinite Loop (Jobs's office) and Two Infinite Loop (Ive's lab).
"Art is not a mirror to reflect reality," wrote Bertolt Brecht, "but a hammer with which to shape it".
